CN117598851A - Wearable skin temperature control heat dissipation device and method - Google Patents
Wearable skin temperature control heat dissipation device and method Download PDFInfo
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- CN117598851A CN117598851A CN202410033846.9A CN202410033846A CN117598851A CN 117598851 A CN117598851 A CN 117598851A CN 202410033846 A CN202410033846 A CN 202410033846A CN 117598851 A CN117598851 A CN 117598851A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0062—Arrangements for scanning
- A61B5/0064—Body surface scanning
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0001—Body part
- A61F2007/0052—Body part for treatment of skin or hair
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0095—Heating or cooling appliances for medical or therapeutic treatment of the human body with a temperature indicator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention relates to a wearable skin temperature control heat dissipation device and method, and a human health detection system and method. The temperature control module can control the skin temperature at the first contact position, provide a stable temperature environment for subsequent health detection, and eliminate the interference of the environmental temperature and the temperature fluctuation of the human body; the heat dissipation module is contacted with the skin at the second contact position, so that waste heat generated by the temperature control module is transferred to the skin position, and the temperature control module is prevented from being unable to work stably due to heat accumulation; the skin is utilized for heat dissipation, no additional heat dissipation structures such as air cooling and the like are needed, the structure is simple, the volume is small, and the integrated design is convenient; the noise is small, and the use requirement of medical scenes is met; the heat dissipation module is not required to be powered, so that the power consumption is low, and the working time of the system is prolonged.
Description
Technical Field
The invention relates to the technical field of physiological index monitoring, in particular to a wearable skin temperature control and heat dissipation device and method, and a human health detection system and method.
Background
In recent years, with the improvement of health awareness and the rapid development of medical science and technology in society, intelligent health detection devices are becoming an integral part of people's life. From oximeter, sphygmomanometer to heart rate monitor, these multifunctional devices provide real-time health data for individuals in daily life. Through the equipment, people can conveniently monitor physiological indexes such as blood oxygen, blood pressure, blood sugar, heart rate and the like, grasp self health and dynamics in real time, take corresponding health management measures in time, and provide important diagnosis basis for professionals in the medical field.
However, the accuracy and reliability of these intelligent health detection devices are often affected by ambient temperature. Body movement and activity can lead to transient elevated body temperatures, especially after strenuous exercise. This may lead to errors in the intelligent health detection device in recording and interpreting temperature changes, thereby affecting the accuracy of the data.
In order to solve the problems, a skin wearable skin temperature control and heat dissipation device of a measurement area is newly added on the basis of the existing photoelectric physiological index detection equipment. The wearable skin temperature control heat dissipation device can provide a stable working temperature range for health detection through a precise temperature control technology, and the accuracy of data acquisition is ensured.
However, the heat dissipation manner of these wearable skin temperature-controlling heat dissipation devices is not satisfactory. Some wearable skin temperature control heat dissipation devices do not increase extra heat dissipation modules, and the heat of the wearable skin temperature control heat dissipation devices is dissipated into the air, but the heat dissipation efficiency is very low in the mode, and the wearable skin temperature control heat dissipation devices are very easy to damage under the condition of long-time work. Some wearable skin temperature control heat dissipation devices dissipate heat by adding a heat dissipation fan, but the heat dissipation fan generates noise when running, and is considered as interference and uncomfortable in medical treatment. Furthermore, the volume of the cooling fan is relatively large, which can be challenging in some lightweight or small devices.
At present, no effective solution is proposed for solving the problems of low heat dissipation efficiency, large volume, large heat dissipation noise and the like of the wearable skin temperature control heat dissipation device in the related technology due to the adoption of a heat dissipation fan.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a wearable skin temperature control heat dissipation device and method and a human health detection system and method, so as to solve the problems of low heat dissipation efficiency, large volume, large heat dissipation noise and the like of the wearable skin temperature control heat dissipation device in the related art due to the adoption of a heat dissipation fan.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, a wearable skin temperature-controlled heat sink is provided, the wearable skin temperature-controlled heat sink removably disposed on a user's skin and forming a first contact location, a second contact location, comprising:
the temperature control module is removably arranged on the skin of a user, and the proximal end of the temperature control module forms a first contact position with the skin of the user and is used for controlling the skin temperature of the first contact position, wherein the control comprises adjustment and maintenance;
the heat dissipation module is arranged at the far end of the temperature control module and forms a second contact position with the skin of a user, and is used for conducting waste heat generated by the temperature control module to the second contact position so as to dissipate heat of the temperature control module.
In some of these embodiments, the temperature control module comprises:
a temperature adjusting unit, the second end of which is contacted with the first end of the heat radiating module;
the first end of the first heat conduction unit is contacted with the first end of the temperature regulation unit, and the second end of the first heat conduction unit is contacted with the skin at a first contact position and is used for conducting the first heat of the temperature regulation unit to the first contact position so as to control the skin temperature at the first contact position;
the temperature monitoring unit is arranged at the side part of the first heat conduction unit and is used for monitoring the temperature of the first heat conduction unit and/or the skin temperature of the first contact position;
and the control unit is respectively connected with the temperature adjusting unit and the temperature monitoring unit and is used for controlling the temperature adjusting unit so as to enable the temperature adjusting unit to be in a heating mode and a refrigerating mode.
In some of these embodiments, the first heat conducting unit includes:
a first heat transfer element having a first end in contact with the first end of the temperature adjustment unit for conducting a first heat of the temperature adjustment unit;
and the first end of the first heat conduction element is contacted with the second end of the first heat conduction element, and the second end of the first heat conduction element is contacted with the skin at a first contact position and is used for conveying first heat to the first contact position so as to control the skin temperature at the first contact position.
In some of these embodiments, the control unit comprises:
the driving element is connected with the temperature adjusting unit and is used for driving the temperature adjusting unit to be in a heating mode and a refrigerating mode;
the control element is respectively connected with the driving element and the temperature monitoring unit and is used for controlling the driving element according to the temperature monitoring unit;
and the power supply element is connected with the control element and is used for supplying power.
In some of these embodiments, the heat dissipation module comprises:
the first end of the second heat conduction unit is contacted with the second end of the temperature control module, and the second end of the second heat conduction unit is contacted with the skin at a second contact position and is used for conducting second heat generated by the temperature control module to the second contact position so as to radiate the temperature control module.
In some of these embodiments, the second heat conduction unit includes:
a second heat transfer element having a first end in contact with the second end of the temperature control module for conducting a second heat of the temperature control module;
the second heat conduction element is arranged at the second end of the second heat conduction element and is used for conducting second heat;
and the first end of the third heat conduction element is connected with the second heat conduction element, and the second end of the third heat conduction element is in contact with the skin at a second contact position and is used for conducting second heat generated by the temperature control module to the second contact position so as to radiate the temperature control module.
In a second aspect, a wearable skin temperature-controlled heat dissipation method is provided, which is applied to the wearable skin temperature-controlled heat dissipation device according to the first aspect, and includes:
acquiring a skin temperature at a first contact location;
judging whether the skin temperature is greater than a preset temperature threshold;
generating a refrigeration instruction to reduce the skin temperature to a preset temperature threshold under the condition that the skin temperature is greater than the preset temperature threshold;
and generating a heating instruction to raise the skin temperature to the preset temperature threshold value under the condition that the skin temperature is smaller than the preset temperature threshold value.
In some of these embodiments, after determining whether the skin temperature is greater than a preset temperature threshold, further comprising;
in the case where the skin temperature is equal to the preset temperature threshold, a hold instruction is generated to hold the skin temperature at the preset temperature threshold.
In a third aspect, there is provided a human health detection system based on photoelectric detection, comprising:
the wearable skin temperature-controlled heat sink of the first aspect.
In a fourth aspect, a method for detecting human health based on photoelectric detection is provided, including:
acquiring a skin temperature at a first contact location;
judging whether the skin temperature reaches a preset temperature threshold value or not;
and under the condition that the skin temperature reaches a preset temperature threshold, detecting the health of the human body.
In some of these embodiments, after determining whether the skin temperature reaches the preset temperature threshold, further comprising:
generating a temperature regulating instruction to regulate the skin temperature to a preset temperature threshold value under the condition that the skin temperature does not reach the preset temperature threshold value;
and under the condition that the skin temperature reaches a preset temperature threshold, generating a temperature control instruction to control the skin temperature to be stabilized at the preset temperature threshold.
Compared with the prior art, the wearable skin temperature control heat dissipation device and method and the human health detection system and method have the following technical effects:
1) The temperature control module can be used for controlling the skin temperature at the first contact position, providing a stable temperature environment for subsequent health detection, and eliminating the interference of the environmental temperature and the temperature fluctuation of the human body;
2) The heat dissipation module is contacted with the skin at the second contact position, so that waste heat generated by the temperature control module is transferred to the skin position, and the temperature control module is prevented from being unable to work stably due to heat accumulation;
3) The skin is utilized for heat dissipation, no additional heat dissipation structures such as air cooling and the like are needed, the structure is simple, the volume is small, and the integrated design is convenient;
4) The noise is small, and the use requirement of medical scenes is met;
5) The heat dissipation module is not required to be powered, so that the power consumption is low, and the working time of the system is prolonged.
Drawings
FIG. 1 is a schematic diagram of a wearable skin temperature controlled heat sink in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of a temperature control module according to an embodiment of the invention;
FIG. 3 is a frame diagram of a temperature control module according to an embodiment of the present invention;
fig. 4 is a schematic view of a first heat conduction unit according to an embodiment of the present invention;
fig. 5 is a frame diagram of a control unit according to an embodiment of the present invention;
fig. 6a to 6d are schematic views of a second heat conducting unit according to an embodiment of the present invention;
FIG. 7 is a flow chart of a wearable skin temperature controlled heat dissipation method according to an embodiment of the invention;
fig. 8 is a schematic diagram of a human health detection method according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of one embodiment of a wearable skin temperature-controlled heat sink in accordance with an embodiment of the present invention;
fig. 10 is a schematic view illustrating a usage state of a wearable skin temperature-controlled heat dissipating device according to an embodiment of the present invention;
FIG. 11 is a frame diagram of a control module according to an embodiment of the invention;
FIG. 12 is a schematic diagram of one embodiment of a health detection system according to an embodiment of the present invention.
Wherein the reference numerals are as follows: 100. a temperature control module; 110. a temperature adjusting unit; 120. a first heat conduction unit; 121. a first heat transfer element; 122. a first heat conductive element; 130. a temperature monitoring unit; 140. a control unit; 141. a driving element; 142. a control element; 143. a power supply element;
200. a heat dissipation module; 210. a second heat conduction unit; 211. a second heat transfer element; 212. a second heat conductive element; 213. and a third heat conductive element.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Example 1
The embodiment relates to a wearable skin temperature control heat dissipation device.
In an exemplary embodiment of the present invention, as shown in fig. 1, a wearable skin temperature controlling and heat dissipating device is removably disposed on a user's skin and forms a first contact position and a second contact position, including a temperature controlling module 100 and a heat dissipating module 200. The temperature control module 100 is removably disposed on the skin of the user, and the proximal end of the temperature control module 100 forms a first contact position with the skin of the user for controlling the skin temperature at the first contact position; the heat dissipation module 200 is disposed at a distal end of the temperature control module 100 and forms a second contact position with the skin of the user, so as to conduct the waste heat generated by the temperature control module 100 to the second contact position to dissipate heat of the temperature control module 100.
Wherein controlling the skin temperature of the first contact location includes adjusting the skin temperature, maintaining the skin temperature.
Among them, health indicators include, but are not limited to, blood glucose.
As shown in fig. 2 to 3, the temperature control module 100 includes a temperature adjusting unit 110, a first heat conducting unit 120, a temperature monitoring unit 130, and a control unit 140. Wherein, the second end of the temperature adjusting unit 110 contacts with the first end of the heat dissipating module 200; the first end of the first heat conducting unit 120 is in contact with the first end of the temperature adjusting unit 110, and the second end of the first heat conducting unit 120 is in contact with the skin at the first contact position for conducting the first heat of the temperature adjusting unit 110 to the first contact position to control the skin temperature at the first contact position; the temperature monitoring unit 130 is disposed at a side portion of the first heat conducting unit 120, and is configured to monitor a temperature of the first heat conducting unit 120 and/or a skin temperature of the first contact position; the control unit 140 is connected to the temperature adjusting unit 110 and the temperature monitoring unit 130, and is used for controlling the temperature adjusting unit 110 so as to make the temperature adjusting unit 110 be in a heating mode and a cooling mode.
The working mode of the invention is as follows:
operation mode of the temperature adjusting unit 110
The temperature monitoring unit 130 acquires the skin temperature at the first contact position;
the control unit 140 determines a relationship between the skin temperature and a preset temperature threshold, and adjusts the operation mode of the temperature adjusting unit 110 to a cooling mode if the skin temperature is greater than the preset temperature threshold; if the skin temperature is less than the preset temperature threshold, the working mode of the temperature adjusting unit 110 is a heating mode;
(II) operating Power of temperature control Unit 110
The temperature monitoring unit 130 acquires the temperature of the first heat conducting unit 120;
the control unit 140 adjusts the operating power of the temperature adjusting unit 110 according to the temperature so that the skin temperature at the first contact position is maintained stable.
In the present invention, the temperature adjusting unit 110 includes, but is not limited to, a semiconductor cooling structure such as a semiconductor cooling fin. Under the condition of applying the forward voltage, the first end of the temperature adjusting unit 110 is a cold end, and the second end is a hot end; in the case of applying the reverse voltage, the first end of the temperature adjusting unit 110 is a hot end, and the second end is a cold end.
In the present invention, the temperature adjusting unit 110 has a cross section of a circle, a rectangle, a rounded rectangle, a lumbar circle, an oval shape, or the like.
In the present invention, the temperature regulating unit 110 is made of bismuth selenide semiconductor material.
As shown in fig. 4, the first heat conductive unit 120 includes a first heat transfer member 121 and a first heat conductive member 122. Wherein a first end of the first heat transfer member 121 is in contact with a first end of the temperature adjustment unit 110 for conducting a first heat of the temperature adjustment unit 110; the first end of the first heat conducting element 122 is in contact with the second end of the first heat conducting element 121, and the second end of the first heat conducting element 122 is in contact with the skin at the first contact location for conveying the first heat to the first contact location for controlling the skin temperature at the first contact location.
The size of the first heat transfer member 121 is matched to the size of the temperature adjusting unit 110. Generally, the radial dimension (e.g., length, width, diameter) of the first heat transfer element 121 is not greater than the radial dimension (e.g., length, width, diameter) of the temperature adjustment unit 110, and the axial dimension (e.g., height) of the first heat transfer element 121 is less than the axial dimension (e.g., height) of the temperature adjustment unit 110.
In some of these embodiments, the first heat transfer element 121 is made of a heat transfer material, including but not limited to a thermally conductive silicone grease.
In some of these embodiments, the first heat transfer element 121 is a first heat transfer layer.
The first heat conductive element 122 has a circular, rectangular, rounded rectangular, oblong, oval, etc. cross-section.
The size of the first heat conductive member 122 is matched to the size of the temperature adjusting unit 110. Generally, the radial dimension (e.g., length, width, diameter) of the first thermally conductive element 122 is not greater than the radial dimension (e.g., length, width, diameter) of the temperature adjustment unit 110.
The dimensions of the first heat conducting element 122 match those of the first heat transfer element 121. Generally, the radial dimension (e.g., length, width, diameter) of the first heat transfer element 122 is not less than the radial dimension (e.g., length, width, diameter) of the first heat transfer element 121, and the axial dimension (e.g., height) of the first heat transfer element 122 is greater than the axial dimension (e.g., height) of the first heat transfer element 121.
In some of these embodiments, the first thermally conductive element 122 is made of a thermally conductive material, including but not limited to a metal, such as copper.
In some of these embodiments, the first thermally conductive element 122 is a first thermally conductive sheet.
As shown in fig. 5, the control unit 140 includes a driving element 141, a control element 142, and a power supply element 143. The driving element 141 is connected to the temperature adjusting unit 110, and is used for driving the temperature adjusting unit 110 to be in a heating mode and a cooling mode; the control element 142 is respectively connected with the driving element 141 and the temperature monitoring unit 130, and is used for controlling the driving element 141 according to the temperature monitoring unit 130; the power supply element 143 is connected to the control element 142 for supplying power.
In some of these embodiments, the driving element 141 includes, but is not limited to, a driving control module, a chip, such as a driving control module, stc\stm.
In some of these embodiments, the control element 142 includes, but is not limited to, a chip, a processor, a single-chip microcomputer, etc., such as an STC/STM.
In some of these embodiments, the power supply element 143 includes, but is not limited to, a lithium battery.
As shown in fig. 6a, the heat dissipation module 200 includes a second heat conduction unit 210. The first end of the second heat conducting unit 210 contacts with the second end of the temperature control module 100, and the second end of the second heat conducting unit 210 contacts with the skin at the second contact position, so as to conduct the second heat generated by the temperature control module 100 to the second contact position to dissipate the heat of the temperature control module 100.
As shown in fig. 6a to 6d, the second heat conduction unit 210 includes a second heat conduction element 211, a second heat conduction element 212, and a third heat conduction element 213. Wherein the first end of the second heat transfer element 211 is in contact with the second end of the temperature control module 100, and is used for conducting the second heat of the temperature control module 100; the second heat conducting element 212 is disposed at a second end of the second heat transferring element 211, and is used for conducting second heat; the first end of the third heat conducting element 213 is connected to the second heat conducting element 212, and the second end of the third heat conducting element 213 is in contact with the skin at the second contact position, so as to conduct the second heat generated by the temperature control module 100 to the second contact position to dissipate the heat of the temperature control module 100.
Specifically, the first end of the second heat transfer member 211 is in contact with the second end of the temperature adjustment unit 110 for conducting the second heat of the temperature adjustment unit 110.
Wherein the second heat is waste heat of the temperature control module 100 (temperature adjusting unit 110).
The size of the second heat transfer member 211 matches the size of the temperature adjusting unit 110. Generally, the radial dimension (e.g., length, width, diameter) of the second heat transfer element 211 is not less than the radial dimension (e.g., length, width, diameter) of the temperature adjustment unit 110, and the axial dimension (e.g., height) of the second heat transfer element 211 is less than the axial dimension (e.g., height) of the temperature adjustment unit 110.
In some of these embodiments, the second heat transfer element 211 is made of a heat transfer material, including but not limited to a thermally conductive silicone grease.
In some of these embodiments, the second heat transfer element 211 is a second heat transfer layer.
The second heat conductive element 212 has a circular, rectangular, rounded rectangular, oblong, oval, etc. cross-section.
The size of the second heat conductive member 212 is matched to the size of the temperature adjusting unit 110. Generally, the radial dimension (e.g., length, width, diameter) of the second thermally conductive element 212 is not greater than the radial dimension (e.g., length, width, diameter) of the temperature adjustment unit 110.
The dimensions of the second heat transfer element 212 match the dimensions of the second heat transfer element 211. Generally, the radial dimension (e.g., length, width, diameter) of the second heat transfer element 212 is not less than the radial dimension (e.g., length, width, diameter) of the second heat transfer element 211, and the axial dimension (e.g., height) of the second heat transfer element 212 is greater than the axial dimension (e.g., height) of the second heat transfer element 211.
The size of the second heat conductive member 212 is matched to the size of the temperature adjusting unit 110. Generally, the radial dimension (e.g., length, width, diameter) of the second thermally conductive element 212 is not less than the radial dimension (e.g., length, width, diameter) of the temperature adjustment unit 110.
Generally, the radial dimension (e.g., length, width, diameter) of the second thermally conductive element 212 is greater than the radial dimension (e.g., length, width, diameter) of the temperature adjustment unit 110.
In some of these embodiments, the outer end surface of the second heat conducting element 212 protrudes from the outer end surface of the temperature adjusting unit 110. I.e. from a bottom view, the projection of the temperature regulating unit 110 is located inside the projection of the second heat conducting element 212.
In some of these embodiments, the second thermally conductive element 212 is made of a thermally conductive material, including but not limited to a metal, such as copper.
In some of these embodiments, the second thermally conductive element 212 is a second thermally conductive sheet.
The cross-section of the third heat conducting element 213 comprises a ring shape, a circle, a rectangle, a rounded rectangle, a waist circle, an ellipse, etc.
Generally, the third heat conductive element 213 is integrally formed with the second heat conductive element 212.
At least one third heat conducting element 213.
In some of these embodiments, as shown in fig. 6 a-6 b, the third heat conducting elements 213 are several. The third heat conducting elements 213 are circumferentially arranged around the second heat conducting element 212.
Typically, the number of third heat conductive elements 213 is 2 to 4.
In some of these embodiments, as shown in fig. 6c, the third heat conducting element 213 is one. The third heat conducting element 213 is disposed on one side of the second heat conducting element 212, and is used for performing unilateral heat dissipation on the temperature adjusting unit 110.
In some of these embodiments, as shown in fig. 6d, the third heat conducting element 213 is annular. The third heat conductive element 213 forms a cover-like structure or a cap-like structure with the second heat conductive element 212.
The dimensions of the third heat conducting element 213 match those of the second heat conducting element 212. Generally, the axial dimension (e.g., height) of the third heat conductive element 213 is not greater than the axial dimension (e.g., height) of the second heat conductive element 212.
The dimensions of the third heat conducting element 213 match the dimensions of the first heat conducting element 122. Generally, the axial dimension (e.g., height) of the third heat conductive element 213 is not greater than the axial dimension (e.g., height) of the first heat conductive element 122.
In some of these embodiments, the third thermally conductive element 213 is made of a thermally conductive material, including but not limited to a metal, such as copper.
In some of these embodiments, the third heat conductive element 213 is a second heat conductive sheet.
The application method of the invention is as follows:
the temperature adjusting unit 110 is in a cooling mode
The temperature monitoring unit 130 acquires the skin temperature at the first contact position;
the control element 142 determines the relationship between the skin temperature and a preset temperature threshold;
if the skin temperature is greater than the preset temperature threshold, the control element 142 controls the driving element 141 such that the driving element 141 applies a forward voltage to the temperature adjusting unit 110, and the first end of the temperature adjusting unit 110 becomes a cold end and the second end becomes a hot end;
the cold end of the temperature regulating unit 110 cools the skin at the first contact position through the first heat transfer element 121 and the first heat conduction element 122 so as to reduce the skin temperature until reaching a preset temperature threshold;
the heat generated by the hot end of the temperature adjusting unit 110 is conducted to the skin at the second contact position through the second heat transfer element 211, the second heat transfer element 212 and the third heat transfer element 213, so that the heat of the temperature adjusting unit 110 is balanced.
(II) the temperature adjusting unit 110 is in the heating mode
The temperature monitoring unit 130 acquires the skin temperature at the first contact position;
the control element 142 determines the relationship between the skin temperature and a preset temperature threshold;
if the skin temperature is less than the preset temperature threshold, the control element 142 controls the driving element 141 such that the driving element 141 applies a reverse voltage to the temperature adjusting unit 110, and the first end of the temperature adjusting unit 110 becomes a hot end and the second end becomes a cold end;
the hot end of the temperature adjusting unit 110 heats the skin at the first contact position through the first heat transfer element 121 and the first heat transfer element 122 so as to increase the skin temperature until reaching a preset temperature threshold;
the heat generated at the cold end of the temperature adjusting unit 110 is conducted to the skin at the second contact position through the second heat transfer element 211, the second heat transfer element 212 and the third heat transfer element 213, so that the heat of the temperature adjusting unit 110 is balanced.
(II) operating Power of temperature control Unit 110
The temperature monitoring unit 130 acquires the temperature of the first heat conducting element 122;
the control element 142 adjusts the operating power of the temperature adjustment unit 110 according to the temperature so as to keep the skin temperature at the first contact position stable.
The invention has the following technical effects:
1) The temperature control module can be used for controlling the skin temperature at the first contact position, providing a stable temperature environment for subsequent health detection, and eliminating the interference of the environmental temperature and the temperature fluctuation of the human body;
2) The heat dissipation module is contacted with the skin at the second contact position, so that waste heat generated by the temperature control module is transferred to the skin position, and the temperature control module is prevented from being unable to work stably due to heat accumulation;
3) The skin is utilized for heat dissipation, no additional heat dissipation structures such as air cooling and the like are needed, the structure is simple, the volume is small, and the integrated design is convenient;
4) The noise is small, and the use requirement of medical scenes is met;
5) The heat dissipation module is not required to be powered, so that the power consumption is low, and the working time of the system is prolonged.
Example 2
The embodiment relates to a wearable skin temperature control and heat dissipation method.
As shown in fig. 7, a wearable skin temperature-controlled heat dissipation method is applied to the wearable skin temperature-controlled heat dissipation device described in embodiment 1, and includes:
step S702, acquiring the skin temperature of a first contact position;
step S704, judging whether the skin temperature is greater than a preset temperature threshold;
step S706, generating a refrigeration instruction to reduce the skin temperature to a preset temperature threshold value under the condition that the skin temperature is greater than the preset temperature threshold value;
in step S708, if the skin temperature is less than the preset temperature threshold, a heating command is generated to raise the skin temperature by the preset temperature threshold.
Among them, step S706 and step S708 are parallel steps.
In step S704, the preset temperature threshold is-10-60 ℃.
In some of these embodiments, the preset temperature threshold is 15 ℃, 20 ℃, 25 ℃, 30 ℃, 35 ℃, 40 ℃, 45 ℃, 50 ℃.
After steps S706 and S708, steps S702 to S704 are repeated.
Further, after step S704, the method further includes:
in step S710, when the skin temperature is equal to the preset temperature threshold, a hold command is generated to hold the skin temperature at the preset temperature threshold.
Further, the wearable skin temperature control heat dissipation method further comprises the following steps:
step S712, acquiring the temperature of the first heat conduction unit;
step S714, generating a power adjustment instruction according to the temperature to adjust the working power of the temperature adjustment unit.
In step S712, the temperature of the first heat conductive element is acquired.
The technical effects of this embodiment are substantially the same as those of embodiment 1, and will not be described in detail here.
Example 3
The embodiment relates to a human health detection system and a human health detection method.
A human health detection system based on photoelectric detection, comprising the wearable skin temperature-controlled heat dissipation device of embodiment 1.
Further, the human health detection system further comprises a photoelectric detection device. The photoelectric detection device detects human health by emitting light signals and receiving feedback signals corresponding to the light signals.
Among them, human health detection indicators include, but are not limited to, blood glucose.
The human health detection system of the invention comprises the following steps:
step S802, acquiring the skin temperature of the first contact position;
step S804, judging whether the skin temperature reaches a preset temperature threshold;
step S806, detecting human health under the condition that the skin temperature reaches a preset temperature threshold.
Among them, health indicators include, but are not limited to, blood glucose.
Further, after step S804, the method further includes:
step S808, generating a temperature adjustment instruction to adjust the skin temperature to a preset temperature threshold value under the condition that the skin temperature does not reach the preset temperature threshold value;
step 810, generating a temperature control instruction to control the skin temperature to be stabilized at a preset temperature threshold under the condition that the skin temperature reaches the preset temperature threshold.
In step S808, the temperature adjustment command includes a heating command and a cooling command.
The technical effects of this embodiment are substantially the same as those of embodiment 1, and will not be described in detail here.
Example 4
The embodiment relates to a specific implementation mode of the wearable skin temperature control heat dissipation device.
As shown in fig. 9 to 11, in one embodiment of the present invention, the wearable skin temperature-controlling and heat-dissipating device includes a heat-conducting metal sheet 1A, a semiconductor cooling sheet 1B, a heating metal sheet 1C, a heat-conducting layer 2B, and a control module. The heat conductive layer 2B is disposed between the heat conductive metal sheet 1A and the semiconductor cooling sheet 2B, and between the heating metal sheet 1C and the semiconductor cooling sheet 1B.
The semiconductor cooling fin 1B achieves heat transfer and temperature difference by the Peltier effect. In the cooling/heating mode, the semiconductor cooling sheet 1B cools/heats the skin of the human body by heating the metal sheet 1C, and the semiconductor cooling sheet 1B radiates/cools the heat by the heat conductive metal sheet 1A.
The heat conducting metal sheet 1A is mainly used for radiating heat for the semiconductor refrigeration sheet 1B so as to increase the stability of the semiconductor refrigeration sheet 1B.
In general, the material of the heat conductive metal sheet 1A is not limited, but a copper sheet is preferable, and other materials having good heat conductivity may be used.
In general, the material of the semiconductor refrigeration sheet 1B is not limited, but is preferably a bismuth selenide semiconductor material, and other materials having good thermoelectric properties may be used.
The heating metal sheet 1C is mainly used for heating or cooling the skin of a human body.
In general, the material of the heating metal sheet 1C is not limited, but a copper sheet is preferable, and other materials having good thermal conductivity may be used.
The heat conductive layer 2B is used for transferring heat among the heat conductive metal sheet 1A, the semiconductor refrigeration sheet 1B, and the heating metal sheet 1C.
In general, the material of the heat conductive layer 2B is not limited, but is preferably a heat conductive silicone grease (mainly composed of silicone oil, silicon oxide, a stabilizer, and an additive), and other materials having good heat conductivity may be used.
The control module comprises a control circuit 3A, a power supply module 3B, a driving module 3C and a temperature detection module 3D. The power module 3B is connected with the control circuit 3A and is used for supplying power; the driving module 3C is respectively connected with the control circuit 3A and the semiconductor refrigerating sheet 1B and is used for applying forward/reverse voltage to the semiconductor refrigerating sheet 1B under the action of the control circuit 3A; the temperature detection module 3D is connected to the control circuit 3A, and is used for detecting the skin temperature of the human body/the temperature of the heating metal sheet 1C.
Further, the control module also includes a storage module. The storage module is connected with the control circuit 3A and is used for storing a temperature control algorithm, and the output power of the semiconductor refrigerating sheet 1B can be dynamically adjusted. Typically, the temperature control algorithm is a PID algorithm.
The application method of the embodiment is as follows:
setting a temperature value T1, placing the wearable skin temperature-control heat dissipation device on the skin, and starting a refrigeration mode if the temperature T2 of the skin is greater than T1 at the moment, and starting a heating mode if the temperature T2 of the skin is greater than T1 at the moment.
In the refrigeration mode, the control module applies a forward bias to the semiconductor refrigeration piece 1B, one side of the heating metal piece 1C is connected with the cold surface of the semiconductor refrigeration piece 1B through the heat conducting layer 2B, the other side of the heating metal piece can be connected with the surface of the human skin 2A, and the cold surface of the semiconductor refrigeration piece 1B can absorb heat of the surface of the human skin 2A due to the heat conduction effect so as to cool local skin of a human body. One side of the heat conducting metal sheet 1A is connected with the hot surface of the semiconductor refrigeration sheet 1B through the heat conducting layer 2B, and the other side of the heat conducting metal sheet can be connected with the human skin 2A, and the hot surface of the semiconductor refrigeration sheet 1B can emit heat to the human skin 2A due to the heat conducting effect so as to radiate heat to the semiconductor refrigeration sheet 1B.
In the heating mode, the control module applies a reverse bias voltage to the semiconductor refrigeration piece 1B, one side of the heating metal piece 1C is connected with the hot surface of the semiconductor refrigeration piece 1B through the heat conducting layer 2B, the other side of the heating metal piece can be connected with the surface of the human skin 2A, and due to the heat conduction effect, the hot surface of the semiconductor refrigeration piece 1B can emit heat to the surface of the human skin 2A so as to heat the local skin of the human body. One side of the heat conducting metal sheet 1A is connected with the cold face of the semiconductor refrigeration sheet 1B through the heat conducting layer 2B, and the other side of the heat conducting metal sheet can be connected with the human skin 2A, and the cold face of the semiconductor refrigeration sheet 1B can be from the human skin 2A to balance the heat of the semiconductor refrigeration sheet 1B due to the heat conducting effect.
The control module comprises a temperature detection module 3D which can detect the temperature of the heating metal sheet 1C and call a temperature control algorithm of the built-in storage module to dynamically adjust the output power of the semiconductor refrigeration sheet 1B so as to maintain the temperature of the local skin of the human body to be stable at a preset T1 temperature value.
Example 5
This embodiment relates to one embodiment of the health detection system of the present invention.
As shown in fig. 12, the health detection system includes the wearable skin temperature-controlled heat sink 4B and the spectrum detection device 4A as described in embodiment 4.
The specific working method is as follows:
the wearable skin temperature control heat dissipation device 4B firstly stabilizes the temperature value of the local skin of the human body at a preset T1 value;
the spectrum detection module 4A emits specific LED light to be incident on human skin, excitation is generated on substances in tissue fluid, feedback signals are also collected into the spectrum detection module 4A, an algorithm built in the spectrum detection module is called, and accurate calculation of the numerical value of the human physiological index is completed.
The technical effects of this embodiment are as follows: by controlling the skin temperature of the human body, the interference of data acquisition of the sensor is reduced, and the reliability and stability of the data are improved.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. A wearable skin temperature controlled heat sink removably disposed on a user's skin and defining a first contact location, a second contact location, comprising:
the temperature control module is removably arranged on the skin of a user, and the proximal end of the temperature control module forms a first contact position with the skin of the user and is used for controlling the skin temperature of the first contact position, wherein the control comprises adjustment and maintenance;
the heat dissipation module is arranged at the far end of the temperature control module and forms a second contact position with the skin of a user, and is used for conducting waste heat generated by the temperature control module to the second contact position so as to dissipate heat of the temperature control module.
2. The wearable skin temperature-controlled heat sink of claim 1, wherein the temperature-controlled module comprises:
a temperature adjusting unit, the second end of which is contacted with the first end of the heat radiating module;
the first end of the first heat conduction unit is contacted with the first end of the temperature regulation unit, and the second end of the first heat conduction unit is contacted with the skin at a first contact position and is used for conducting the first heat of the temperature regulation unit to the first contact position so as to control the skin temperature at the first contact position;
the temperature monitoring unit is arranged at the side part of the first heat conduction unit and is used for monitoring the temperature of the first heat conduction unit and/or the skin temperature of the first contact position;
and the control unit is respectively connected with the temperature adjusting unit and the temperature monitoring unit and is used for controlling the temperature adjusting unit so as to enable the temperature adjusting unit to be in a heating mode and a refrigerating mode.
3. The wearable skin temperature-controlled heat sink of claim 2, wherein the first heat conducting unit comprises:
a first heat transfer element having a first end in contact with the first end of the temperature adjustment unit for conducting a first heat of the temperature adjustment unit;
and the first end of the first heat conduction element is contacted with the second end of the first heat conduction element, and the second end of the first heat conduction element is contacted with the skin at a first contact position and is used for conveying first heat to the first contact position so as to control the skin temperature at the first contact position.
4. The wearable skin temperature-controlled heat sink of claim 2, wherein the control unit comprises:
the driving element is connected with the temperature adjusting unit and is used for driving the temperature adjusting unit to be in a heating mode and a refrigerating mode;
the control element is respectively connected with the driving element and the temperature monitoring unit and is used for controlling the driving element according to the temperature monitoring unit;
and the power supply element is connected with the control element and is used for supplying power.
5. The wearable skin temperature-controlled heat sink of claim 1, wherein the heat sink module comprises:
the first end of the second heat conduction unit is contacted with the second end of the temperature control module, and the second end of the second heat conduction unit is contacted with the skin at a second contact position and is used for conducting second heat generated by the temperature control module to the second contact position so as to radiate the temperature control module.
6. The wearable skin temperature-controlled heat sink of claim 5, wherein the second heat conduction unit comprises:
a second heat transfer element having a first end in contact with the second end of the temperature control module for conducting a second heat of the temperature control module;
the second heat conduction element is arranged at the second end of the second heat conduction element and is used for conducting second heat;
and the first end of the third heat conduction element is connected with the second heat conduction element, and the second end of the third heat conduction element is in contact with the skin at a second contact position and is used for conducting second heat generated by the temperature control module to the second contact position so as to radiate the temperature control module.
7. A wearable skin temperature control and heat dissipation method applied to the wearable skin temperature control and heat dissipation device as claimed in any one of claims 1 to 6, comprising:
acquiring a skin temperature at a first contact location;
judging whether the skin temperature is greater than a preset temperature threshold;
generating a refrigeration instruction to reduce the skin temperature to a preset temperature threshold under the condition that the skin temperature is greater than the preset temperature threshold;
and generating a heating instruction to raise the skin temperature to the preset temperature threshold value under the condition that the skin temperature is smaller than the preset temperature threshold value.
8. The method of claim 7, further comprising, after determining whether the skin temperature is greater than a preset temperature threshold;
in the case where the skin temperature is equal to the preset temperature threshold, a hold instruction is generated to hold the skin temperature at the preset temperature threshold.
9. A human health detection system based on photoelectric detection, comprising:
the wearable skin temperature-controlled heat sink of any of claims 1-6.
10. A human health detection method based on photoelectric detection, applied to the human health detection system as set forth in claim 9, comprising:
acquiring a skin temperature at a first contact location;
judging whether the skin temperature reaches a preset temperature threshold value or not;
and under the condition that the skin temperature reaches a preset temperature threshold, detecting the health of the human body.
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| CN202410033846.9A CN117598851A (en) | 2024-01-09 | 2024-01-09 | Wearable skin temperature control heat dissipation device and method |
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| CN202410033846.9A CN117598851A (en) | 2024-01-09 | 2024-01-09 | Wearable skin temperature control heat dissipation device and method |
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